To provide riot police with a psychological advantage, Nottingham Trent University has come up with a new riot shield that allows the police to see the rioters clearly, but not vice versa.

A new device transforms a transparent riot shield into a trick mirror. Designed by a student at Nottingham Trent University, this shield is coated in a vinyl film that lets officers see out, but ...

RIOT shields that project a wall of sound to disperse crowds will reduce violent clashes with police, according to a patent filed by defence firm Raytheon of Waltham, Massachusetts. The device ...